zfs-builds-mm/zfs-0.8.1/include/sys/vdev_raidz.h

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2019-07-06 23:40:11 +02:00
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (C) 2016 Gvozden Neskovic <neskovic@compeng.uni-frankfurt.de>.
*/
#ifndef _SYS_VDEV_RAIDZ_H
#define _SYS_VDEV_RAIDZ_H
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
struct zio;
struct raidz_map;
#if !defined(_KERNEL)
struct kernel_param {};
#endif
/*
* vdev_raidz interface
*/
struct raidz_map *vdev_raidz_map_alloc(struct zio *, uint64_t, uint64_t,
uint64_t);
void vdev_raidz_map_free(struct raidz_map *);
void vdev_raidz_generate_parity(struct raidz_map *);
int vdev_raidz_reconstruct(struct raidz_map *, const int *, int);
/*
* vdev_raidz_math interface
*/
void vdev_raidz_math_init(void);
void vdev_raidz_math_fini(void);
struct raidz_impl_ops *vdev_raidz_math_get_ops(void);
int vdev_raidz_math_generate(struct raidz_map *);
int vdev_raidz_math_reconstruct(struct raidz_map *, const int *, const int *,
const int);
int vdev_raidz_impl_set(const char *);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_VDEV_RAIDZ_H */